function ch(ndx) {
p = new Array();p[0] = '8 050';p[1] = '8 095';p[2] = '8 067';p[3] = '8 096';p[4] = '8 097';p[5] = '8 098';p[6] = '8 066';p[7] = '8 099';p[8] = '8 068';p[9] = '8 068';p[10] = '8 039';p[11] = '+7';p[12] = 'E-mail:'; document.getElementById("prefix").innerHTML=p[ndx];    
}       
function smslen() 
{
document.getElementById("sms_len").innerHTML=document.getElementById("input_message").value.length;
}